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Finding the Fourth Proportional to 363.01, 543.46 and 270.87

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Solution

The fourth proportional to 363.01, 543.46 and 270.87 is: 405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.01 : 543.46 = 270.87 : x
  2. Step 2: Convert to fraction form
    363.01/543.46 = 270.87/x
  3. Step 3: Cross multiply
    363.01x = 543.46 × 270.87
  4. Step 4: Simplify right side
    363.01x = 147,207.01
  5. Step 5: Solve for x
    x = 147,207.01/363.01
  6. Step 6: Final answer
    x = 405.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.